Face mask for administration of gaseous anesthesia



FIG. 1 is a perspective view of a face mask for administration of gaseous anesthesia shown with the cap portion removed;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view thereof;

FIG. 9 is a perspective view of the face mask for administration of gaseous anesthesia, showing my new design;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a left side elevation view thereof;

FIG. 13 is a right side elevation view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a perspective view thereof.

The broken line showing in FIGS. 8 and 16 of the gas source and removal connections, and head strap, is included for the purpose of illustrating an environment and forms no part of the claimed design. 

CLAIM The ornamental design for a face mask for administration of gaseous anesthesia, as shown and described. 